Any individual or organization that discourages or prohibits inquiry into nature, science, or the cosmos, should immediately cause red flags to rise, for the only reason for doing so is to subvert attention away from an opaque ...

The Long-Term Evolution Experiment, as the E. coli project is known, has surpassed 60,000 generations now, giving Lenski a deep data set from which to draw inferences about the interplay of contingency and convergence in evolution. Subtle changes in the bacteria’s DNA that make them larger and better able to proliferate in the flask have been relatively common across the groups. At the same time, Lenski has witnessed “striking” cases of contingency, in which one population did something completely different than the others. But as in convergence, he adds, these transformations weren’t entirely random.

Global warming is among the most alarming environmental issues that the world faces today. This phenomenon does not simply involve the significant rise in the earth’s temperature but a lot more. The adverse effects of global warming have become more and more apparent since the dawn of the 20th century, with more hurricanes and tropical storms causing massive destruction in different areas around the world, more animal species losing their habitats and becoming extinct, and more people dying because of too much heat. Here are 25 alarming global warming statistics.

Are you good at being able to understand the feelings of others and share in their struggles? Here is why it is important to model empathy for your children to learn from.

Being a parent requires a lot of patience. It requires us to be kind, understanding and empathetic towards our children. However, this is often easier said than done. It's not so simple to keep calm when you're under stress or when you need to get the kids out the door. It's not so simple to pay attention to your child's needs all the time.

The Long-Term Evolution Experiment, as the E. coli project is known, has surpassed 60,000 generations now, giving Lenski a deep data set from which to draw inferences about the interplay of contingency and convergence in evolution. Subtle changes in the bacteria’s DNA that make them larger and better able to proliferate in the flask have been relatively common across the groups. At the same time, Lenski has witnessed “striking” cases of contingency, in which one population did something completely different than the others. But as in convergence, he adds, these transformations weren’t entirely random.

Thinking of space and time as a liquid might help reconcile quantum mechanics and relativity.

If spacetime is like a liquid — a concept some physicists say could help resolve a confounding disagreement between two dominant theories in physics — it must be a very special liquid indeed. A recent study compared astrophysical observations with predictions based on the notion of fluid spacetime, and found the idea only works if spacetime is incredibly smooth and freely flowing — in other words, a superfluid.

Thinking of spacetime as a liquid may be a helpful analogy. We often picture space and time as fundamental backdrops to the universe. But what if they are not fundamental, and built instead of smaller ingredients that exist on a deeper layer of reality that we cannot sense? If that were the case, spacetime’s properties would “emerge” from the underlying physics of its constituents, just as water’s properties emerge from the particles that comprise it. “Water is made of discrete, individual molecules, which interact with each other according to the laws of quantum mechanics, but liquid water appears continuous and flowing and transparent and refracting,” explains Ted Jacobson, a physicist at the University of Maryland, College Park. “These are all ‘emergent’ properties that cannot be found in the individual molecules, even though they ultimately derive from the properties of those molecules.”

Physicists have been considering this possibility since the 1990s in an attempt to reconcile the dominant theory of gravity on a large scale — general relativity — with the theory governing the very smallest bits of the universe—quantum mechanics. Both theories appear to work perfectly within their respective domains, but conflict with one another in situations that combine the large and small, such as black holes (extremely large mass, extremely small volume). Many physicists have tried to solve the problem by 'quantizing' gravity — dividing it into smaller bits, just as quantum mechanics breaks down many quantities, such as particles’ energy levels, into discrete packets. “There are many attempts to quantize gravity—string theory and loop quantum gravity are alternative approaches that can both claim to have gone a good leg forward,” says Stefano Liberati, a physicist at the International School for Advanced Studies (SISSA) in Trieste, Italy. “But maybe you don’t need to quantize gravity; you need to quantize this fundamental object that makes spacetime.”

Liberati, along with his colleague Luca Maccione of Ludwig Maximilian University in Munich, recently explored how that idea would affect light traveling through the universe. An emergent spacetime, one that acted like a fluid, would not be immediately distinguishable from the spacetime of any other theory. But in extreme situations, such as for very energetic light particles, Liberati and Maccione found that some differences would be noticeable. In fact, by examining observations of high-energy photons flying across the universe from the Crab Nebula, the physicists were able to rule out certain versions of emergent spacetime, finding that if it is a fluid at all, it must be a superfluid. The researchers published their results in Physical Review Letters1 in April.

In this analogy particles would travel through spacetime like waves in an ocean, and the laws of fluid mechanics — condensed-matter physics — would apply. Previously physicists considered how particles of different energies would disperse in spacetime, just as waves of different wavelengths disperse, or travel at different speeds, in water. In the latest study Liberati and Maccione took into account another fluid effect: dissipation. As waves travel through a medium, they lose energy over time. This dampening effect would also happen to photons traveling through spacetime, the researchers found. Although the effect is small, high-energy photons traveling very long distances should lose a noticeable amount of energy, the researchers say.

"If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet." ~ Niels Bohr ~ must-see film, it will change the way you look at things ... (REALITY IS MERELY AN ILLUSION , ALTHOUGH A VERY......

More than two-thirds of U.S. workers feel a constant strain between meeting the demands of their work schedules and tending to their personal lives. However, a new study shows that a little extra flexibility on the part of employers can go a long way...

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